audioOS 9.9.18.5 (build 22L572) is an official Apple over-the-air update for the HomePod, released on 2025-05-12T17:13:16Z. The update package is 1.97 GB. This is a delta (partial) update that requires 14.2 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: a7883e71777d2a190af13107420369e0c974f371.zip.